{"published":"2019-07-17 17:01:42","url":"https://unless.hatenablog.jp/entry/2019/07/17/170142","image_url":null,"blog_title":"unless\u2019s blog","author_url":"https://blog.hatena.ne.jp/gettergot/","height":"190","categories":["Perl","GC","ReferenceCount"],"author_name":"gettergot","title":" GC\u3068\u5faa\u74b0\u53c2\u7167\u306b\u3064\u3044\u3066","blog_url":"https://unless.hatenablog.jp/","provider_url":"https://hatena.blog","type":"rich","provider_name":"Hatena Blog","description":"\u3044\u307e\u307e\u3067\u305c\u3093\u305c\u3093\u6c17\u306b\u3057\u3066\u3044\u306a\u304b\u3063\u305f\u3051\u3069Perl\u306eGC\u306f\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30ab\u30a6\u30f3\u30c8\u65b9\u5f0f\u3089\u3057\u3044 \u306a\u306e\u3067\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3078\u306e\u53c2\u7167\u304c\u4f5c\u3089\u308c\u308b\u305f\u3073\u306b\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30ab\u30a6\u30f3\u30c8\u3092\u5897\u3084\u3057\u3066\u3044\u3063\u3066 \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3078\u306e\u53c2\u7167\u304c\u7834\u68c4\u3055\u308c\u305f\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30ab\u30a6\u30f3\u30c8\u304c\u6e1b\u308b\u3053\u3068\u306b\u306a\u308b \u305d\u3057\u3066\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30ab\u30a6\u30f3\u30c8\u304c0\u306b\u306a\u3063\u305f\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u305d\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u958b\u653e\u3055\u308c\u308b $ perl -MDevel::Peek -e 'my $foo; Dump $foo; my $bar = \\$foo; Dump $foo; undef $bar; Dump $foo;' SV = NULL(0x0) at 0xa96c18 REFCNT = 1 F\u2026","version":"1.0","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Funless.hatenablog.jp%2Fentry%2F2019%2F07%2F17%2F170142\" title=\" GC\u3068\u5faa\u74b0\u53c2\u7167\u306b\u3064\u3044\u3066 - unless\u2019s blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}